diff --git a/src/GpioLogic.cpp b/src/GpioLogic.cpp
index ba01d482d..e429df538 100644
--- a/src/GpioLogic.cpp
+++ b/src/GpioLogic.cpp
@@ -66,7 +66,7 @@ GpioBinaryTransformer::GpioBinaryTransformer(GpioVirtPin *inPin1, GpioVirtPin *i
     assert(!inPin2->dependentPin); // We only allow one dependent pin
     inPin2->dependentPin = this;
 
-    // Don't update at construction time, because various GpioPins might be global constructor based not yet initied because
+    // Don't update at construction time, because various GpioPins might be global constructor based not yet initiated because
     // order of operations for global constructors is not defined.
     // update();
 }
diff --git a/src/Power.cpp b/src/Power.cpp
index f8d2459bd..8d094244a 100644
--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -640,7 +640,7 @@ void Power::readPowerStatus()
                 batteryChargePercent = batteryLevel->getBatteryPercent();
             } else {
                 // If the AXP192 returns a percentage less than 0, the feature is either not supported or there is an error
-                // In that case, we compute an estimate of the charge percent based on open circuite voltage table defined
+                // In that case, we compute an estimate of the charge percent based on open circuit voltage table defined
                 // in power.h
                 batteryChargePercent = clamp((int)(((batteryVoltageMv - (OCV[NUM_OCV_POINTS - 1] * NUM_CELLS)) * 1e2) /
                                                    ((OCV[0] * NUM_CELLS) - (OCV[NUM_OCV_POINTS - 1] * NUM_CELLS))),
diff --git a/src/PowerFSM.cpp b/src/PowerFSM.cpp
index 35ef2624a..b94b11e0a 100644
--- a/src/PowerFSM.cpp
+++ b/src/PowerFSM.cpp
@@ -185,7 +185,7 @@ static void powerEnter()
 {
     // LOG_DEBUG("Enter state: POWER");
     if (!isPowered()) {
-        // If we got here, we are in the wrong state - we should be in powered, let that state ahndle things
+        // If we got here, we are in the wrong state - we should be in powered, let that state handle things
         LOG_INFO("Loss of power in Powered");
         powerFSM.trigger(EVENT_POWER_DISCONNECTED);
     } else {
@@ -230,7 +230,7 @@ static void onEnter()
 static void onIdle()
 {
     if (isPowered()) {
-        // If we got here, we are in the wrong state - we should be in powered, let that state ahndle things
+        // If we got here, we are in the wrong state - we should be in powered, let that state handle things
         powerFSM.trigger(EVENT_POWER_CONNECTED);
     }
 }
@@ -371,7 +371,7 @@ void PowerFSM_setup()
 // We never enter light-sleep or NB states on NRF52 (because the CPU uses so little power normally)
 #ifdef ARCH_ESP32
     // See: https://github.com/meshtastic/firmware/issues/1071
-    // Don't add power saving transitions if we are a power saving tracker or sensor. Sleep will be initiatiated through the
+    // Don't add power saving transitions if we are a power saving tracker or sensor. Sleep will be initiated through the
     // modules
     if ((isRouter || config.power.is_power_saving) && !isTrackerOrSensor) {
         powerFSM.add_timed_transition(&stateNB, &stateLS,
diff --git a/src/sleep.cpp b/src/sleep.cpp
index 3bc1042bb..083d2a07e 100644
--- a/src/sleep.cpp
+++ b/src/sleep.cpp
@@ -287,7 +287,7 @@ void doDeepSleep(uint32_t msecToWake, bool skipPreflight = false)
         // No need to turn this off if the power draw in sleep mode really is just 0.2uA and turning it off would
         // leave floating input for the IRQ line
         // If we want to leave the radio receiving in would be 11.5mA current draw, but most of the time it is just waiting
-        // in its sequencer (true?) so the average power draw should be much lower even if we were listinging for packets
+        // in its sequencer (true?) so the average power draw should be much lower even if we were listening for packets
         // all the time.
         PMU->setChargingLedMode(XPOWERS_CHG_LED_OFF);
 
@@ -359,7 +359,7 @@ esp_sleep_wakeup_cause_t doLightSleep(uint64_t sleepMsec) // FIXME, use a more r
     // never tries to go to sleep if the user is using the API
     // gpio_wakeup_enable((gpio_num_t)SERIAL0_RX_GPIO, GPIO_INTR_LOW_LEVEL);
 
-    // doesn't help - I think the USB-UART chip losing power is pulling the signal llow
+    // doesn't help - I think the USB-UART chip losing power is pulling the signal low
     // gpio_pullup_en((gpio_num_t)SERIAL0_RX_GPIO);
 
     // alas - can only work if using the refclock, which is limited to about 9600 bps